245091456 has 96 divisors (see below), whose sum is σ = 728133120. Its totient is φ = 79050240.

The previous prime is 245091449. The next prime is 245091461. The reversal of 245091456 is 654190542.

245091456 is a `hidden beast` number, since 2 + 4 + 509 + 145 + 6 = 666.

245091456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 245091456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32281 + ... + 39143.

It is an arithmetic number, because the mean of its divisors is an integer number (7584720).

Almost surely, 2^245091456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245091456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364066560).

245091456 is an abundant number, since it is smaller than the sum of its proper divisors (483041664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245091456 is a wasteful number, since it uses less digits than its factorization.

245091456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6914 (or 6899 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 245091456 is about 15655.3970246685. The cubic root of 245091456 is about 625.8103247308.

The spelling of 245091456 in words is "two hundred forty-five million, ninety-one thousand, four hundred fifty-six".